Everything: The Real Thing Story review – the searing saga of Britain's soul pioneers

Liverpudlian quartet the Real Thing, who tackled prejudice and challenged the pop status quo in the 70s, are the subject of Simon Sheridan’s fond and vital documentary One day in 1972, a pop picker called Tony Hall was driving through Piccadilly Circus when he noticed a Coca-Cola billboard. He had a brainwave. The four promising black soul singers he was managing would have to change their name. No longer would they be called Vocal Perfection – a gift to hostile critics. Instead they